Patents by Inventor Max Zellweger

Max Zellweger has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 5136461
    Abstract: An apparatus for sterilizing and deodorizing rooms comprises a circuit part and an ionization part. High voltage of up to 3 kV necessary for forming corona discharges is produced in the circuit part. The ionization part comprises electrodes, which are arranged on both sides of an insulator plate. An electron emission is produced on the second in operation, which leads to negative oxygen ions, which destroy bacteria and spores and remove odors from the air.
    Type: Grant
    Filed: June 7, 1989
    Date of Patent: August 4, 1992
    Inventor: Max Zellweger
  • Patent number: 5131099
    Abstract: The sock is produced as a knitted mesh article and at least in the sock leg has concave holding elements formed as thread bows and which are directed in the direction towards the foot. The height-to-length ratio of the thread bows directed downwardly is selected such that the loops when wearing on the leg and in the case of leg movements serve to produce a movement of the entire mesh article, e.g. sock, in the direction away from the foot. The holding elements are formed as the meshes of a loop plush, in which the loops serving as the holding elements are constituted by the thread bows. This is achieved in simple manner in that at least part of the meshes are formed from a plush thread and a basic thread, whereof the mesh head is directed towards the edge of the sock while the holding elements in the form of loops are directed towards the foot. Thus, the sock can be manufactured as a loop plush.
    Type: Grant
    Filed: October 23, 1991
    Date of Patent: July 21, 1992
    Inventor: Max Zellweger
  • Patent number: 4799319
    Abstract: A device for warming the foot during walking which includes an inner sole defining a plurality of longitudinally communicating closed cavities which deform under compressive stress. The cavities each contain a fluid therein and a constriction is positioned between the cavities whereby heat is generated as the fluid passes through the constriction during alternating application of stresses on the cavities during walking.
    Type: Grant
    Filed: June 16, 1987
    Date of Patent: January 24, 1989
    Inventor: Max Zellweger